PlayStation Vue is the new TV service from Sony that starts at $50 per month. Its competitor Sling TV starts at $20 per month. Both use the Internet to stream numerous live TV channels as well as VOD, and both are free from long-term contracts. So how do they stack up?

So you bought a new 4K TV and you're wondering what's on. The answer right now is: not much. But the list is growing. Here's a look at what you can watch now in 4K, and what's coming down the pike in the near future.

Sony's Playstation Vue TV service launches today in New York, Chicago and Philadelphia, with more cities coming soon. The $50/month Internet TV service runs on PS3 and PS4 consoles and offers an extensive selection of features including a fresh, show-centric interface.

Get your best punches ready, because Philadelphia University student Jackson Gordon completed a functioning Batsuit, and it's already been battle-tested at a Maryland convention by attendees. Eat your heart out, Batfleck.

On today's show, we talk about three Austrian men who volunteered to have their hands amputated for science, a Philadelphia student's truly armored Batsuit, and a robot that will write handwritten notes for you.